Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/nfc/NFC.idl

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// https://w3c.github.io/web-nfc/#the-nfc-interface
+
+typedef (DOMString or ArrayBuffer or NFCMessage) NFCPushMessage;
+
+[
+  GarbageCollected,
+  RuntimeEnabled=WebNFC,
+] interface NFC {
+    [CallWith=ScriptState] Promise<void> push (NFCPushMessage message, optional NFCPushOptions options);
+    [CallWith=ScriptState] Promise<void> cancelPush (optional NFCPushTarget target = "any");
+    [CallWith=ScriptState] Promise<long> watch (MessageCallback callback, optional NFCWatchOptions options);
+    [CallWith=ScriptState] Promise<void> cancelWatch (optional long id);
+};